Perhaps you should try some spelling variations:
passiv » massiv, passiver
passiven » massiven, passiveren, passion
passive » massive, passivere
passiveren » massiveren, passivereren, passieren, passiverer, passiver
passivereren » massivereren, passiverereren, passiverer, passivierenden, passieren
passivieren » massivieren, passiverieren, passivierende, passivierung, passieren
massively » massive

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((passiv OR (passiven OR passive)) OR (massively OR (passiveren OR (passivereren OR passivieren)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((passiv or (passiven OR passive)) or (massively or (passiveren or (passivereren or passivieren))))".
• Adding a wildcard symbol may retrieve word variants: ((passiv or (passiven OR passive)) or (massively or (passiveren or (passivereren or passivieren))))*.